143325

Appears in sequences

• Stirling numbers of first kind, s(n+3, n), negated.at n=11A001303
• Partial sums of A007585.at n=24A051797
• Exp(n) is further from an integer than any previous exp(k) for 1 <= k < n.at n=24A080053
• a(n) = smallest number which can be expressed as sum of d consecutive positive integers in exactly n ways (where d>0 is a divisor of the number).at n=29A082637
• Triangle read by rows: T(n, m) = number of forests with n nodes and m labeled trees. Also number of forests with exactly n - m edges on n labeled nodes.at n=50A105599
• Triangle read by rows: T(n, k) is the number of forests on n labeled nodes with k edges. T(n, k) for n >= 1 and 0 <= k <= n-1.at n=49A138464
• Number of n X 4 0..1 arrays avoiding 0 0 1 and 1 0 0 horizontally and 0 0 1 and 1 0 1 vertically.at n=24A209646
• Number of forests with n labeled nodes and 6 trees.at n=4A240683
• Least positive integer k with exactly n odd divisors greater than sqrt(2*k).at n=24A281008
• a(n) is the least integer that can be expressed as the difference of two hexagonal numbers in exactly n ways.at n=12A334035
• Smallest number having exactly n divisors of the form 8*k + 5.at n=15A343106
• Number of 2 X 2 matrices over Z_n whose permanent equals their determinant.at n=34A345754
• Odd nonsquares k for which A161942(k) >= k, where A161942 is the odd part of sigma.at n=3A348743
• a(n) is the least number with exactly n divisors of the form 4*k+1.at n=29A364584
• Odd nondeficient numbers of the form p^(1+4k) * r^2, where p is prime of the form 1+4m, r > 1, and gcd(p,r) = 1.at n=3A386427